阅读说明：本技术 一种应用于带式输送机回程带面的清扫装置 (Cleaning device applied to return belt surface of belt conveyor ) 是由 缪仁杰 刘敏 王沛庆 蒋鸿翼 罗庆红 朱新发 于 2021-07-29 设计创作，主要内容包括：本发明属于带式输送机领域,涉及一种应用于带式输送机回程带面的清扫装置,包括与回程带面配合安装的分体式气刀,以及分别与分体式气刀连通的用于对分体式气刀进行控制的清扫系统。本发明通过自由组合多个分体式气刀进行清扫,清扫效率更高,通过图像识别系统可对前序清扫效果进行检测,并对检测结果进行智能分析后反馈信号至清扫系统,从而控制分体式气刀工作；解决了胶带机因回程带面清扫不净导致的沿途洒落料问题,减少了人工清料工作量,助力带式输送机实现清洁生产。(The invention belongs to the field of belt conveyors, and relates to a cleaning device applied to a return belt surface of a belt conveyor. The invention cleans by freely combining a plurality of split air knives, has higher cleaning efficiency, can detect the preorder cleaning effect through the image recognition system, and feeds back a signal to the cleaning system after intelligently analyzing the detection result, thereby controlling the work of the split air knives; the problem of the sticky tape machine spill the material along the way that leads to because of the return stroke zone face cleans unclean is solved, manual work load of expecting is reduced, and clean production is realized to helping hand belt conveyor.)

1. The utility model provides a be applied to belt conveyor return belt face's cleaning device which characterized in that: the device comprises a split air knife which is matched with the surface of a return belt and a cleaning system which is respectively communicated with the split air knife and is used for controlling the split air knife.

2. The cleaning device for the return belt surface of the belt conveyor according to claim 1, wherein: the split type air knife comprises a split type air knife body, an air knife mounting rack arranged at the bottom of the split type air knife body, and a knife bar connecting rod used for connecting the split type air knife body and the air knife mounting rack;

the split type air knife body is provided with an air knife gas outlet part, and the split type air knife body is provided with an inclined table which is provided with an inclination angle and used for shielding the air knife gas outlet part and is arranged at a position higher than the air knife gas outlet part.

3. The cleaning device for the return belt surface of the belt conveyor according to claim 1, wherein: the gas outlet part of the gas knife faces the bottom of the surface of the return belt and forms an included angle with the surface of the return belt, and the included angle is larger than the inclined angle of the inclined table.

4. The cleaning device for the return belt surface of the belt conveyor according to claim 1, wherein: the air knife mounting frame is fixedly mounted on the belt conveyor frame in a matching way, and the mounting position enables the air knife gas outlet part to be lower than the height of the surface of the return belt.

5. The cleaning device for the return belt surface of the belt conveyor according to claim 1, wherein: an air source interface for connecting compressed air or a fan for air supply is arranged on the cutter body of the split air knife.

6. The cleaning device for the return belt surface of the belt conveyor according to claim 1, wherein: the split air knives are linearly arranged side by side or staggered front and back, and the cleaning area is completely covered by mutual overlapping of the edges.

7. The cleaning device for the return belt surface of the belt conveyor according to claim 1, wherein: an image recognition system used for detecting, recognizing and evaluating feedback of the condition of the cleaned belt surface is further arranged below the split air knife and is communicated with the cleaning system.

8. The cleaning device for the return belt surface of the belt conveyor according to claim 1, wherein: the automatic scraper cleaning machine further comprises a material collecting device, an automatic scraper cleaning machine, a traditional sweeper and a material returning device, wherein the material collecting device is arranged below the split air knife and is matched with the split air knife for use.

9. The cleaning device for the return belt surface of the belt conveyor according to claim 1, wherein: the cleaning system is manually or automatically controlled to adjust the opening and closing of the split air knife blade, the pulse frequency, the air pressure and the air quantity, and the cleaning of the return belt surface under various working conditions such as different materials, different humidity and viscosity, different belt surface pollution conditions and the like is met.

Technical Field

The invention belongs to the field of belt conveyors, and relates to a cleaning device applied to a return belt surface of a belt conveyor.

Background

The belt material of the return section of the belt conveyor is a main source of scattered blanking of the belt conveyor along the way, after the belt material of the return belt passes through the position of the carrier roller, the belt is in contact with the carrier roller, after being flapped, the sticky material is peeled off from the belt and falls on the ground, the material accumulation is formed along the way of the belt conveyor, the environment along the way is polluted, and the cleaning workload is increased.

The cleaning mode commonly adopted by the belt conveyor at present is to arrange a polyurethane scraper type, an alloy scraper type, a rolling brush type and other contact type cleaners at a return section, wherein the cleaning mode comprises one or more of the combination modes, or adopts a combined cleaning mode of water washing, scraper cleaning and the like. For wet and sticky materials, the contact type sweeper is difficult to sweep cleanly, and meanwhile, the sweeping effect is gradually poor due to different abrasion degrees of the sweeper in the working process; in addition, due to the damage or defect of the adhesive tape, when the materials enter the damaged area, the contact type cleaning cannot enter the damaged area for effective cleaning, so that the return belt materials pollute the subsequent environment. The combined cleaning of water washing and scraper cleaning is adopted, secondary pollution is easy to cause due to the difficulty in treatment of cleaned sludge, sewage and the like, and high treatment cost is brought by the sludge and the sewage. In conclusion, the same sweeper has poor sweeping adaptability to unused materials and poor sweeping adaptability to different areas in the transverse direction of the belt surface, so that the belt conveyor has poor return sweeping effect, large scattering and blanking amount along the way, wide distribution and difficult cleaning, and is a chronic disease which restricts the cleaning production of a conveying system of the belt conveyor for a long time; meanwhile, a large amount of manual cleaning is needed, the cost is high, and the method is a main obstacle for reducing the production and operation cost of the belt conveyor transportation system.

Disclosure of Invention

In view of this, the invention aims to provide a cleaning device applied to a return belt surface of a belt conveyor, which can clean the return belt surface more effectively, reduce pollution to the in-transit environment, reduce manual cleaning amount, reduce production and operation cost, and realize clean production of a power-assisted belt conveyor system.

In order to achieve the purpose, the invention provides the following technical scheme: a cleaning device applied to a return belt surface of a belt conveyor comprises a split air knife which is installed in a matched mode with the return belt surface, and a cleaning system which is communicated with the split air knife and used for controlling the split air knife.

Optionally, the split air knife comprises a split air knife body, an air knife mounting frame arranged at the bottom of the split air knife body, and a knife bar connecting rod for connecting the split air knife body and the air knife mounting frame;

the split type air knife body is provided with an air knife gas outlet part, and the split type air knife body is provided with an inclined table which is provided with an inclination angle and used for shielding the air knife gas outlet part and is arranged at a position higher than the air knife gas outlet part.

Optionally, the gas outlet of the gas knife faces the bottom of the surface of the return belt, and forms an included angle with the surface of the return belt, and the included angle is larger than the inclined angle of the inclined table.

Optionally, the air knife mounting frame is fixedly mounted on the belt conveyor frame in a matching manner, and the mounting position enables the air knife gas outlet part to be lower than the height of the surface of the return belt.

Optionally, an air source interface for connecting compressed air or air supplied by a fan is arranged on the cutter body of the split air knife.

Optionally, the split air knives are linearly arranged side by side or staggered front and back, and the cleaning area is completely covered by mutual overlapping of the edges.

Optionally, an image recognition system for detecting, recognizing, evaluating and feeding back the condition of the cleaned belt surface is further arranged below the split air knife, and the image recognition system is communicated with the cleaning system.

Optionally, the device further comprises a material collecting device, an automatic scraper blade material cleaning machine, a traditional sweeper and a material returning device, wherein the material collecting device, the automatic scraper blade material cleaning machine, the traditional sweeper and the material returning device are arranged below the split air knife and are matched with the split air knife.

Optionally, the cleaning system is controlled manually or automatically to adjust the opening and closing of the split air knife blade, the pulse frequency, the air pressure and the air volume, so as to meet the requirement of cleaning the return belt surface under various working conditions such as different materials, different humidity viscosities, different belt surface pollution conditions and the like.

The invention has the beneficial effects that: the cleaning device applied to the return belt surface of the belt conveyor solves the problems that the traditional cleaner has a single cleaning mode and poor cleaning effect, cannot effectively clean a damaged belt surface, and gradually deteriorates the cleaning effect due to uneven transverse wear of the cleaner; the cleaning is carried out by freely combining the plurality of split air knives, the cleaning efficiency is higher, the preorder cleaning effect can be detected by the image recognition system, the detection result is intelligently analyzed, and then a signal is fed back to the cleaning system, so that the work of the split air knives is controlled in real time; the problem of the sealing-tape machine spill the blanking along the way that leads to because of the return stroke zone face cleans unclean is solved, manual work load of expecting is reduced, and clean production has been realized to helping hand belt conveyor.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic structural view of a split air knife according to the present invention;

FIG. 2 is a schematic view of an installation of a split air knife in the cleaning apparatus according to the present invention;

FIG. 3 is a right sectional view showing the overall structure of the cleaning apparatus of the present invention;

fig. 4 is a front sectional view showing the entire structure of the cleaning device of the present invention.

Reference numerals: the device comprises a split type air knife body 1, a knife body connecting rod 2, an air knife mounting frame 3, an air knife gas outlet part 4, an image recognition system 5, a traditional sweeper 6, a material collecting device 7, an automatic scraper blade cleaner 8, a return belt surface 9 and an air source interface 10.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 4, a cleaning device for a belt surface of a belt conveyor, in which a split air knife includes a split air knife body 1, a knife body connecting rod 2, and an air knife mounting frame 3; the inside of the body part 1 of the split type air knife is of a cavity structure and is used as an air cavity of the split type air knife, the gas outlet part 4 of the air knife is a narrow and thin gap, the compressed air is further compressed through the high compression ratio of the cavity structure, the pressure of the gas flow is further increased, and an air flow sheet with super-strong impact force is generated at the outlet gap of the gas outlet part 4 of the air knife. For dry and wet materials adhered to the surface 9 of the return belt, especially for materials which cannot be cleaned in a traditional physical scraper hanging and sweeping mode, the cleaning can be more obviously realized by utilizing a strong airflow sheet sprayed by the split air knife. The split type air knife body 1 is provided with an inclined table with an inclination angle and used for shielding the air knife gas outlet part 4 at a position higher than the air knife gas outlet part 4, the air knife gas outlet part 4 is protected under the condition of effectively utilizing the pressure of an air source, and the cleaned material is prevented from blocking the air knife gas outlet part 4. The split type air knife body 1 is connected with the air knife mounting rack 3 through the knife body connecting rod 2, and the connection mode can be rigid connection or flexible connection, so that the split type air knife body 1 is suitable for the contact condition of different types of belt surfaces of adhesive tape machines.

The cleaning device adopts a piece type structure, and can be freely selected to be composed of a plurality of piece type structures according to the cleaning requirements of the belt width and the belt surface, as shown in figure 2, the air knives of the pieces can be linearly arranged or staggered from front to back, the complete coverage of a cleaning area is realized through the mutual overlapping of the edges, the knife edge of the air knife of the cleaning device and the return belt surface 9 of the adhesive tape machine form a certain included angle, and the materials on the belt surface are better peeled off and cleaned.

In this embodiment, the cleaning device is controllable, when cleaning the return belt surface 9 of the belt conveyor, the operation of each split air knife is independent, and according to the cleaning requirement, the operation state of each split air knife can be independently controlled by the cleaning system, so as to achieve targeted cleaning. Aiming at different belt conveyor belt surface bodies and the condition of material adhesion, each split type air knife can be manually or automatically controlled to be opened and closed, the return belt surface 9 to be cleaned is cleaned, and the air consumption is saved.

Since different belt conveyors transport different materials and the types, the degree of dryness, the adhesion, and other properties of the corresponding materials are different, it is necessary to perform differential cleaning on the return belt surface 9 of the belt conveyor in different situations. The split air knife cleaning device can adjust the pulse frequency, the air pressure, the air flow and the like of the split air knife through a cleaning system according to the condition of the return belt surface 9 of the belt conveyor. For the drier material, the belt surface with less adhesion and weak adhesion capability of the material on the return belt surface can adopt small flow and small pressure, reduce the usage amount of compressed air and reduce the impact of airflow on the rubber surface of the belt conveyor; for wet and sticky materials, under the working conditions that the materials are adhered on the return belt surface 9 more and have strong adhesive force, the return belt surface 9 of the adhesive tape machine can be cleaned at large flow and high pressure, meanwhile, the gas flow and the pressure of the split air knife cleaning device in the corresponding area are adjusted according to the states of the materials in different areas of the belt surface, and the pulse frequency of the split air knife can be adjusted if necessary to generate a flapping effect on the return belt surface 9 of the belt conveyor, so that the materials adhered on the belt surface are flapped and loosened and are cleaned more easily.

In this embodiment, cleaning device follows gas source interface 10 and inserts gaseously, and required air supply can be selected according to the site conditions is nimble, can use compressed air when cleaning the pressure demand great, can adopt the fan air feed when cleaning the pressure demand less, satisfies the return stroke area face 9 that cleans under multiple operating modes such as different materials, different humidity, different viscosity, different area face losses and cleans the demand.

In this embodiment, the cleaning device may be used in combination with the image recognition system 5, after the split air knife cleaning device cleans the return belt surface 9 of the belt conveyor, the image recognition system 5 detects, recognizes, evaluates and feeds back the cleaned belt surface condition, and feeds back the detection and evaluation result to the split air knife cleaning device for opening and closing of the air knife, adjustment of pulse frequency, adjustment of air pressure, and adjustment of air volume, thereby realizing online real-time controllable cleaning of the split air knife cleaning device.

In the present embodiment, the image recognition system 5 is composed of a high-speed linear scanning CCD camera, a light source, a monitoring system, and the like. Under the assistance of a light source, a high-speed line scanning CCD camera shoots a return belt surface 9 of the belt conveyor after the split type air knife is cleaned, the shot picture is transmitted to a monitoring system, the condition that materials are adhered to the return belt surface 9 of the belt conveyor is evaluated through an image processing method, an evaluation result is fed back to the cleaning system, the opening and closing of different split type linear air knife blade split type cutter heads are controlled according to the quantity of the materials adhered to the belt surface, parameters such as pulse frequency, air output and air pressure of the air knife are adjusted, the return belt surface 9 is cleaned in a targeted and controllable partition mode, and the intelligent cleaning of the return belt surface 9 of the belt conveyor is achieved.

In this embodiment, split type air knife cleaning device can combine together traditional sweeper 6 and cleaning device, forms the combination formula and cleans, and after the scraper through traditional sweeper 6 clears away the most material on sticky tape surface, clears away the surplus material of adhesion on sticky tape surface through cleaning device, and the combined action reaches better cleaning effect. Meanwhile, the device can be comprehensively considered with a material collecting device 7, a material returning device, an automatic scraper blade material cleaning machine 8 and the like, so that the functions of cleaning, collecting and returning materials on a return belt surface 9 of the belt conveyor are realized, and secondary pollution caused by cleaning scattered materials is avoided.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.